161 search results - page 12 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
WIOPT
2010
IEEE
14 years 7 months ago
2010
IEEE
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
One of the major challenges to cognitive radios is the synchronization of distributed radios onto the same spectrum white spaces which vary in time and space. In this paper, we pr...
CORR
2010
Springer
14 years 9 months ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...